Cosrx Acne Pimple Master Patch protects acne area and prevent it from getting worse, allowing for faster recovery. It's a hydrocolloid patch that minimizes inflammation and provides thorough care for acne skin condition. Features: Hydrocolloid protects wounds from dust and viruses in the air. Hydrocolloid dressing is translucent and water proof. Effectively protects blemish areas without causing irritation. Versatile & Concentrated care with various sizes – 7mm, 10mm, 12mm One sheet contains 24 patches of various size: 10 x 7mm, 5 x 10mm, 9 x 12mm Convenient use Acne Pimple Master Patch is easy to apply and remove. It can be conveniently carried around for immediately application where necessary Clear It is fine to put on makeup when you go out.